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Operating Basics
SDA 601 Serial Digital Analyzer User Manual
21
FF CRC change
AP EDH error
FF EDH error
Flag Set
Conditions that will trigger an alarm only if they are configured to
do so through the Item Watch menu are:
Line Std Detect (if “Alarm if 525” or “Alarm if 625” is selected)
AP Bits (8/10) (if “Alrm if 8 bits” or “Alrm if 10 bits” is se-
lected)
EDH packet miss (if “Alarm if Miss” is selected)
AP CRC Not Ø (if “Alarm Not Ø” is selected)
Configure the beeper and printer alarms through the Alarm Menu
(see page 30). As you might expect:
1. Enter the Alarm menu (press
Shift, then Alarm On/Off).
2. Scroll to the desired menu item with the
B / Y keys.
3. Select the option with the
A / " keys.
4. Confirm the option choice by pressing
Enter.
5. Exit the Alarm menu by pressing any rectangular key.
Toggle the alarms On/Off with the
Alarm On/Off key.
Displaying the Signal Level
The relative level of the serial digital input signal is displayed by
default on every new (or reset) SDA 601. This display can be helpful
in identifying points in your system where the signal may be margin-
al because of long cable runs or faulty equipment.
Figure 9: The SDA 601 Signal Level Display